Home / 80,539.72-111,127.14-48,707.93

Finding the Fourth Proportional to 80,539.72, 111,127.14 and 48,707.93

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Solution

The fourth proportional to 80,539.72, 111,127.14 and 48,707.93 is: 67,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.72 : 111,127.14 = 48,707.93 : x
  2. Step 2: Convert to fraction form
    80,539.72/111,127.14 = 48,707.93/x
  3. Step 3: Cross multiply
    80,539.72x = 111,127.14 × 48,707.93
  4. Step 4: Simplify right side
    80,539.72x = 5,412,773,234.04
  5. Step 5: Solve for x
    x = 5,412,773,234.04/80,539.72
  6. Step 6: Final answer
    x = 67,206.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.